Compare 21277 vs 21279
| Property | 21277 | 21279 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 212771 | 31 × 411 × 1731 |
| Prime factorization | 21277 | 3 × 41 × 173 |
| Divisors count | 2 | 8 |
| Divisors | 1, 21277 | 1, 3, 41, 123, 173, 519, 7093, 21279 |
| Number of properties | 6 | 0 |
| Additive primes | 1109th | |
| Harmonic primes | 876th | |
| Isolated primes | 1669th | |
| Primes | 2390th | |
| Pythagorean primes | 1186th | |
| Sexy primes (1st member) | 724th | |
| Roman numberals | ||
| Base 2 | 1010011000111012 | 1010011000111112 |
| Base 3 | 10020120013 | 10020120103 |
| Base 4 | 110301314 | 110301334 |
| Base 5 | 11401025 | 11401045 |
| Base 6 | 2423016 | 2423036 |
| Base 7 | 1160147 | 1160167 |
| Base 8 | 514358 | 514378 |
| Base 9 | 321619 | 321639 |
| Base 10 | 2127710 | 2127910 |
| Base 11 | 14a9311 | 14a9511 |
| Base 12 | 1039112 | 1039312 |
| Base 13 | 98b913 | 98bb13 |
| Base 14 | 7a7b14 | 7a7d14 |
| Base 15 | 648715 | 648915 |
| Base 16 | 531d16 | 531f16 |